From: Nithin Dabilpuram Date: Sun, 8 May 2022 07:48:23 +0000 (+0530) Subject: net/cnxk: add barrier after meta batch free in scalar X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=39279dd904fee0d688a2ab00a1d1dbaf89edc76c;p=dpdk.git net/cnxk: add barrier after meta batch free in scalar Add barrier after meta batch free in scalar routine when LMT lines are exactly full to make sure that next LMT line user in Tx only starts writing the lines only when previous stoerl's are complete. Fixes: 4382a7ccf781 ("net/cnxk: support Rx security offload on cn10k") Cc: stable@dpdk.org Signed-off-by: Nithin Dabilpuram Acked-by: Jerin Jacob --- diff --git a/drivers/net/cnxk/cn10k_rx.h b/drivers/net/cnxk/cn10k_rx.h index e4f5a553a6..94c1f1e84f 100644 --- a/drivers/net/cnxk/cn10k_rx.h +++ b/drivers/net/cnxk/cn10k_rx.h @@ -1007,10 +1007,11 @@ cn10k_nix_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, uint16_t pkts, plt_write64((wdata | nb_pkts), rxq->cq_door); /* Free remaining meta buffers if any */ - if (flags & NIX_RX_OFFLOAD_SECURITY_F && loff) { + if (flags & NIX_RX_OFFLOAD_SECURITY_F && loff) nix_sec_flush_meta(laddr, lmt_id + lnum, loff, aura_handle); - plt_io_wmb(); - } + + if (flags & NIX_RX_OFFLOAD_SECURITY_F) + rte_io_wmb(); return nb_pkts; }